768 



THE TIN-DEPOSITS OF NEW ENGLAND, N S.W., I. 



with Cope's Creek. Here the lode has been sunk on, and some 

 good ore has been taken out. The lode runs east and west. The 



Scale 



2 Feet 



Sc3/e '1 



Fee* 



Fig. 3. Fi^. 4. 



Fig. 3.— Section across the Butchait Lode. A, Brown iron-stained 

 granite-bands; B, Cassiterite; C, " Acid granite"; D, Quartz. 



Fig. 4 —Section across a quartz-felspar lode, near Sutherland's Water. 

 A, Felspathic lode-material carrying cassiterite and a little quartz; b, 

 Quartz-vein; C, "Acid granite." 



eastern side of the shaft shows an irregular venation (text-fig. 4). 

 The felspathic rock contains a little quartz throughout, and is 

 intersected by small veins of translucent quartz, which often 

 contain cassiterite. More commonly, however, the cassiterite 

 occurs on either side of the quartz-vein, and separates it from the 

 felspathic rock. The conntry-rock is " Acid Granite," and this is 

 invariably very soft and decomposed in the neighbourhood of the 

 lode, though hard and fresh a few yards distant. The presence 



